mirror of
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5ec07232b9
directory (instead of the same directory as the source files) and that #includes in those files do not contain the path to the source file. Obtained from: J.T. Conklin via NetBSD
445 lines
9.1 KiB
C
445 lines
9.1 KiB
C
/* @(#)rpc_main.c 2.2 88/08/01 4.0 RPCSRC */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#ifndef lint
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/*static char sccsid[] = "from: @(#)rpc_main.c 1.7 87/06/24 (C) 1987 SMI";*/
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static char rcsid[] = "$Id: rpc_main.c,v 1.1 1994/08/07 18:01:31 wollman Exp $";
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#endif
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/*
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* rpc_main.c, Top level of the RPC protocol compiler.
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* Copyright (C) 1987, Sun Microsystems, Inc.
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*/
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#include <stdio.h>
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#include <strings.h>
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#include <sys/file.h>
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#include "rpc_util.h"
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#include "rpc_parse.h"
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#include "rpc_scan.h"
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#define EXTEND 1 /* alias for TRUE */
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struct commandline {
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int cflag;
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int hflag;
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int lflag;
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int sflag;
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int mflag;
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char *infile;
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char *outfile;
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};
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static char *cmdname;
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static char CPP[] = "/usr/bin/cpp";
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static char CPPFLAGS[] = "-C";
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static char *allv[] = {
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"rpcgen", "-s", "udp", "-s", "tcp",
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};
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static int allc = sizeof(allv)/sizeof(allv[0]);
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static int h_output(), c_output(), s_output(), l_output(), do_registers(),
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parseargs();
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main(argc, argv)
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int argc;
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char *argv[];
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{
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struct commandline cmd;
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if (!parseargs(argc, argv, &cmd)) {
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f_print(stderr,
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"usage: %s infile\n", cmdname);
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f_print(stderr,
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" %s [-c | -h | -l | -m] [-o outfile] [infile]\n",
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cmdname);
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f_print(stderr,
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" %s [-s udp|tcp]* [-o outfile] [infile]\n",
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cmdname);
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exit(1);
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}
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if (cmd.cflag) {
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c_output(cmd.infile, "-DRPC_XDR", !EXTEND, cmd.outfile);
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} else if (cmd.hflag) {
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h_output(cmd.infile, "-DRPC_HDR", !EXTEND, cmd.outfile);
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} else if (cmd.lflag) {
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l_output(cmd.infile, "-DRPC_CLNT", !EXTEND, cmd.outfile);
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} else if (cmd.sflag || cmd.mflag) {
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s_output(argc, argv, cmd.infile, "-DRPC_SVC", !EXTEND,
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cmd.outfile, cmd.mflag);
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} else {
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c_output(cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
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reinitialize();
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h_output(cmd.infile, "-DRPC_HDR", EXTEND, ".h");
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reinitialize();
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l_output(cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
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reinitialize();
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s_output(allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
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"_svc.c", cmd.mflag);
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}
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exit(0);
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}
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/*
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* strip path and add extension to filename
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*/
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static char *
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extendfile(path, ext)
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char *path;
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char *ext;
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{
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char *file;
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char *res;
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char *p;
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if ((file = rindex(path, '/')) == NULL)
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file = path;
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else
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file++;
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res = alloc(strlen(file) + strlen(ext) + 1);
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if (res == NULL) {
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abort();
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}
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p = rindex(file, '.');
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if (p == NULL) {
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p = file + strlen(file);
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}
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(void) strcpy(res, file);
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(void) strcpy(res + (p - file), ext);
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return (res);
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}
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/*
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* Open output file with given extension
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*/
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static
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open_output(infile, outfile)
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char *infile;
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char *outfile;
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{
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if (outfile == NULL) {
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fout = stdout;
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return;
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}
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if (infile != NULL && streq(outfile, infile)) {
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f_print(stderr, "%s: output would overwrite %s\n", cmdname,
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infile);
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crash();
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}
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fout = fopen(outfile, "w");
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if (fout == NULL) {
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f_print(stderr, "%s: unable to open ", cmdname);
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perror(outfile);
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crash();
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}
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record_open(outfile);
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}
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/*
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* Open input file with given define for C-preprocessor
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*/
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static
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open_input(infile, define)
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char *infile;
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char *define;
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{
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int pd[2];
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infilename = (infile == NULL) ? "<stdin>" : infile;
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(void) pipe(pd);
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switch (fork()) {
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case 0:
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(void) close(1);
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(void) dup2(pd[1], 1);
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(void) close(pd[0]);
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execl(CPP, CPP, CPPFLAGS, define, infile, NULL);
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perror("execl");
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exit(1);
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case -1:
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perror("fork");
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exit(1);
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}
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(void) close(pd[1]);
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fin = fdopen(pd[0], "r");
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if (fin == NULL) {
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f_print(stderr, "%s: ", cmdname);
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perror(infilename);
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crash();
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}
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}
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/*
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* Compile into an XDR routine output file
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*/
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static
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c_output(infile, define, extend, outfile)
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char *infile;
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char *define;
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int extend;
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char *outfile;
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{
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definition *def;
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char *include;
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char *outfilename;
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long tell;
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open_input(infile, define);
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outfilename = extend ? extendfile(infile, outfile) : outfile;
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open_output(infile, outfilename);
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f_print(fout, "#include <rpc/rpc.h>\n");
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if (infile && (include = extendfile(infile, ".h"))) {
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f_print(fout, "#include \"%s\"\n", include);
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free(include);
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}
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tell = ftell(fout);
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while (def = get_definition()) {
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emit(def);
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}
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if (extend && tell == ftell(fout)) {
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(void) unlink(outfilename);
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}
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}
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/*
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* Compile into an XDR header file
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*/
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static
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h_output(infile, define, extend, outfile)
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char *infile;
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char *define;
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int extend;
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char *outfile;
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{
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definition *def;
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char *outfilename;
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long tell;
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open_input(infile, define);
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outfilename = extend ? extendfile(infile, outfile) : outfile;
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open_output(infile, outfilename);
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tell = ftell(fout);
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while (def = get_definition()) {
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print_datadef(def);
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}
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if (extend && tell == ftell(fout)) {
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(void) unlink(outfilename);
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}
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}
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/*
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* Compile into an RPC service
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*/
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static
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s_output(argc, argv, infile, define, extend, outfile, nomain)
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int argc;
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char *argv[];
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char *infile;
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char *define;
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int extend;
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char *outfile;
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int nomain;
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{
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char *include;
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definition *def;
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int foundprogram;
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char *outfilename;
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open_input(infile, define);
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outfilename = extend ? extendfile(infile, outfile) : outfile;
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open_output(infile, outfilename);
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f_print(fout, "#include <stdio.h>\n");
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f_print(fout, "#include <rpc/rpc.h>\n");
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if (infile && (include = extendfile(infile, ".h"))) {
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f_print(fout, "#include \"%s\"\n", include);
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free(include);
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}
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foundprogram = 0;
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while (def = get_definition()) {
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foundprogram |= (def->def_kind == DEF_PROGRAM);
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}
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if (extend && !foundprogram) {
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(void) unlink(outfilename);
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return;
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}
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if (nomain) {
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write_programs((char *)NULL);
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} else {
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write_most();
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do_registers(argc, argv);
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write_rest();
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write_programs("static");
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}
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}
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static
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l_output(infile, define, extend, outfile)
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char *infile;
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char *define;
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int extend;
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char *outfile;
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{
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char *include;
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definition *def;
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int foundprogram;
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char *outfilename;
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open_input(infile, define);
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outfilename = extend ? extendfile(infile, outfile) : outfile;
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open_output(infile, outfilename);
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f_print(fout, "#include <rpc/rpc.h>\n");
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if (infile && (include = extendfile(infile, ".h"))) {
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f_print(fout, "#include \"%s\"\n", include);
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free(include);
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}
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foundprogram = 0;
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while (def = get_definition()) {
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foundprogram |= (def->def_kind == DEF_PROGRAM);
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}
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if (extend && !foundprogram) {
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(void) unlink(outfilename);
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return;
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}
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write_stubs();
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}
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/*
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* Perform registrations for service output
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*/
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static
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do_registers(argc, argv)
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int argc;
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char *argv[];
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{
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int i;
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for (i = 1; i < argc; i++) {
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if (streq(argv[i], "-s")) {
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write_register(argv[i + 1]);
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i++;
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}
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}
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}
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/*
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* Parse command line arguments
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*/
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static
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parseargs(argc, argv, cmd)
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int argc;
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char *argv[];
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struct commandline *cmd;
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{
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int i;
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int j;
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char c;
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char flag[(1 << 8 * sizeof(char))];
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int nflags;
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cmdname = argv[0];
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cmd->infile = cmd->outfile = NULL;
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if (argc < 2) {
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return (0);
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}
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flag['c'] = 0;
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flag['h'] = 0;
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flag['s'] = 0;
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flag['o'] = 0;
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flag['l'] = 0;
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flag['m'] = 0;
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for (i = 1; i < argc; i++) {
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if (argv[i][0] != '-') {
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if (cmd->infile) {
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return (0);
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}
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cmd->infile = argv[i];
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} else {
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for (j = 1; argv[i][j] != 0; j++) {
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c = argv[i][j];
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switch (c) {
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case 'c':
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case 'h':
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case 'l':
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case 'm':
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if (flag[c]) {
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return (0);
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}
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flag[c] = 1;
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break;
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case 'o':
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case 's':
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if (argv[i][j - 1] != '-' ||
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argv[i][j + 1] != 0) {
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return (0);
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}
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flag[c] = 1;
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if (++i == argc) {
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return (0);
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}
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if (c == 's') {
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if (!streq(argv[i], "udp") &&
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!streq(argv[i], "tcp")) {
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return (0);
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}
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} else if (c == 'o') {
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if (cmd->outfile) {
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return (0);
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}
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cmd->outfile = argv[i];
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}
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goto nextarg;
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default:
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return (0);
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}
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}
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nextarg:
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;
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}
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}
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cmd->cflag = flag['c'];
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cmd->hflag = flag['h'];
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cmd->sflag = flag['s'];
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cmd->lflag = flag['l'];
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cmd->mflag = flag['m'];
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nflags = cmd->cflag + cmd->hflag + cmd->sflag + cmd->lflag + cmd->mflag;
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if (nflags == 0) {
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if (cmd->outfile != NULL || cmd->infile == NULL) {
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return (0);
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}
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} else if (nflags > 1) {
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return (0);
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}
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return (1);
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}
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